18940833

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 28132416

約数和(自身を除く): 9191583

約数列:

[1, 3, 9, 67, 101, 201, 303, 311, 603, 909, 933, 2799, 6767, 20301, 20837, 31411, 60903, 62511, 94233, 187533, 282699, 2104537, 6313611, 18940833]

約数ペア:

[(1, 18940833), (3, 6313611), (9, 2104537), (67, 282699), (101, 187533), (201, 94233), (303, 62511), (311, 60903), (603, 31411), (909, 20837), (933, 20301), (2799, 6767)]